Individual provider Active NPI

Natalie Ann Klag, MD

  • Psychiatry Physician
  • Columbus, OH
National Provider Identifier
1033614573
Registry record updated May 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
35.144491 Issued in OH
Practice address
181 Taylor Ave
Columbus, OH 43203-1779
Phone
(614) 293-9600
Fax
(614) 366-1215
NPI assigned
Mar 27, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 35.144491 OH Primary
Addiction Medicine (Psychiatry & Neurology) Physician 2084A0401X 35.144491 OH

Addresses

Primary practice location

181 Taylor Ave
Columbus, OH 43203-1779

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-9600

Other names 1

  • Natalie Northrop Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230828000809 OH Practitioner - PsychiatryPractitioner - Addiction Medicine 8527318328 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
PsychiatryAlso: Addiction Medicine
Education
University of Toledo College of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Osu Psychiatry LLCGroup PAC ID 0749272714, 135 clinicians

Practice addresses (Care Compare)

1670 Upham Dr
Columbus, OH 43210-1250
Phone (614) 293-9600

Hospital & facility affiliations

  • Ohio State University State Health System Hospital, Columbus, OH, CCN 360085

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35.144491OHMDAddiction Medicine (Psychiatry & Neurology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ohio State University Addiction Medicine CurrentSince Sep 1, 2023 Accepting new patients
Ohio State University CurrentSince Jun 14, 2023 Accepting new patients
Osu Psychiatry, LLC CurrentSince Jun 14, 2023 Accepting new patients
Ohio State University Hospitals Past Accepting new patients
Osu Internal Medicine, LLC PastSince Oct 27, 2024 Accepting new patients

Locations

181 Taylor Ave
Fl 5
Columbus, OH 43203

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

181 Taylor Ave
Columbus, OH 43203
Phone (614) 257-2358

1670 Upham Dr
Columbus, OH 43210
Phone (614) 293-4540

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1033614573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-293-9600",
            "fax_number": "614-366-1215"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "181 TAYLOR AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432031779",
            "telephone_number": "614-293-9600",
            "fax_number": "614-366-1215"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLAG",
        "first_name": "NATALIE",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-27",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "OH",
            "license": "35.144491",
            "primary": true
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": "OH",
            "license": "35.144491",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NATALIE",
            "last_name": "NORTHROP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.